My problem with Kent's writing is how often phrases are repeated both chapter to chapter and book to book. For example, the blood running from the scuppers of a ship make it "look as if the ship itself were bleeding" in more than one battle scene.
I also don't quite find myself convinced that Bolitho in real life would be as likely to have men willing to die for him. Certainly his behavior and his battle persona are larger than life. I take issue with the author's ability to make the reader perceive it as well as his men seem to do. So read it for the story and the history, but don't expect to be blown away by the writing.
Compares unfavorably with Patrick O'Brien's Master and Commander series, but then most sea novels do pale in comparison with his work.